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Biology 113 Lab Midterm Exam Questions with Detailed, (COMPLETE ANSWERS), 2024; 100% TRUSTED Complete, trusted solutions and explanations $7.99   Add to cart
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Biology 113 Lab Midterm Exam Questions with Detailed, (COMPLETE ANSWERS), 2024; 100% TRUSTED Complete, trusted solutions and explanations
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Biology 113 Lab Midterm Exam Questions with Detailed, (COMPLETE ANSWERS), 2024; 100% TRUSTED Complete, trusted solutions and explanations

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  • November 17, 2024
  • 21
  • 2024/2025
  • Exam (elaborations)
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Biology 113 Lab Midterm
Study online at https://quizlet.com/_fbmtwx

1. What is a population? A defined species in a specific location at a specific
time

2. Quadrat sampling For non-mobile populations; calculates the small
area of population

3. Why do we study pop- To understand the dynamics of how a population is
ulations? maintained and how to manage a population

4. Mark and recapture For mobile populations; capturing and marking or-
ganisms, then recapturing them and counting how
many are marked

5. Mark and Recapture N= MxC/R
Calculations

6. % error theoretical-experimental/theoretical x 100

7. What are the 3 do- Bacteria, Archaea, Eukarya
mains?

8. Prokaryotes - lack a membrane-bound nucleus
- lack nucleus
- in domain bacteria and archaea

9. Eukaryotes - Have a nucleus/nuclear membrane
- Membrane-bound organelles
- In domain Eukarya

10. Gram staining A process by which components of bacterial cell
walls are bound to Gram's stain. Depending on the
amount of peptidoglycan in their cell walls, bacteria
stain differently and are classified as Gram-negative
or Gram-positive.

11. gram positive bacteria that retains a crystal violet dye after rinsing

12. gram negative bacteria that do not retain crystal violet dye after
being washed with ethanol



, Biology 113 Lab Midterm
Study online at https://quizlet.com/_fbmtwx
13. dilution factor - In order to estimate the number of bacteria in 0.1ml
milk, we will need to dilute the sample
- amount of added substance/ Volume substance +
Volume solvent

14. serial dilutions original inoculum is diluted several times to ensure
colony counts within range

15. Protists - Most are unicellular, some are colonial or actually
multicellular
- Found in the presence of water
- They are important in food chains (especially al-
gae)
- Can be autotrophic, heterotrophic or mixotrophic
and can reproduce sexually or asexually

16. What are the 5 king- - Animalia
doms - Plantae
- Fungi
- Monera
- Protista

17. Supergroup 1 Excavata

18. Excavata - lacks normal mitochondria
- unicellular
- have 2 or more flagella
- free-living, symbiotic

19. Parabasalid Clade - part of Excavata
- have a flagella and a parabasal apparatus (helps
support the Golgi apparatus, found next to the nu-
cleus)
- Trichomonas (STD)
- asexual
- heterotrophic

20. Euglenozoan Clade - Part of Excavata
- Have 2 flagella (one short & one long), parasitic or
free-living


, Biology 113 Lab Midterm
Study online at https://quizlet.com/_fbmtwx
- Euglena
- heterotrophic
- asexual
- mixotrophic

21. Kinetoplastid Clade - Unique kinetoplast (collection of DNA and pro-
teins) inside organism's only mitochondrion
- excavate
- asexual
- heterotrophic

22. Supergroup 2 SAR (Stramenopila, Alveolata & Rhizaria)

23. SAR - unicellular
- flagella/cilia/pseudopodia

24. Alveolata Clade - Have unique flagella with hair-like projections
- Bacillariophycae (diatoms) - Have a two-piece shell
of silica
- paramecium
- unicellular
- cilia
- no gametes
- asexual and sexual
- heterotrophic
- SAR

25. Rhizaria Clade - At least 35,000 species
- "hole bearers" - holes in shells for pseudopodia
- foraminiferans
- unicellular
- pseudopodia
- sexual and asexual
- heterotrophic
- SAR

26. Strameropila Clade - SAR
- diatom
- unicellular
- flagella

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